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  1. R

    2018 Silverado 5.3L 32k mi; SuperTech Advanced Full Synthetic 0w20, 3k mi; used oil analysis

    I was reading over the report again and it says the viscosity reads in spec for 0w-20 , so wouldn't it be lower if it were fuel dilution?
  2. R

    2018 Silverado 5.3L 32k mi; SuperTech Advanced Full Synthetic 0w20, 3k mi; used oil analysis

    I thought that fuel % < 0.5 at the bottom was the fuel dilution ?
  3. R

    2018 Silverado 5.3L 32k mi; SuperTech Advanced Full Synthetic 0w20, 3k mi; used oil analysis

    Never towed with it and I actually drive very conservative in other words I come up to the speed limit but very gradually.
  4. R

    2018 Silverado 5.3L 32k mi; SuperTech Advanced Full Synthetic 0w20, 3k mi; used oil analysis

    I'm trying Mobil 1 extended performance 0w-20 and will be sending in for analysis at 3,000 miles. I normally drive about 3.5 miles to and from work and do take it on evening cruises on the highway bout twice a week. I wrote the total vehicle mileage as 3,000 when it is in fact at 32,000. I have...
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